Whether you're in Maine or Michigan, state fairs have their own smell — a mix of hot oil from the curly fries, and that unmistakable livestock tent.
One exhibit at this summer's Oregon State Fair, though, has a particularly distinctive funk. It's the one introducing a new crop: marijuana.
"It was this year that the state legislature designated cannabis as a farm crop. And the general public should know what it's all about," says Don Morse, the head of the Oregon Cannabis Business Council.